CN2640754Y - Paper taking mechanism - Google Patents
Paper taking mechanism Download PDFInfo
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- CN2640754Y CN2640754Y CN 03207891 CN03207891U CN2640754Y CN 2640754 Y CN2640754 Y CN 2640754Y CN 03207891 CN03207891 CN 03207891 CN 03207891 U CN03207891 U CN 03207891U CN 2640754 Y CN2640754 Y CN 2640754Y
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- paper
- electromagnet
- gear
- magnetic
- supporting construction
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Abstract
The utility model relates to a paper fetching mechanism, which essentially consists of a first driving gear, a driven gear, a second driving gear, a paper feeding gear, a paging gear, a support mechanism and a magnetic drive. A first mandrel, which is directly sleeved on the axes of the first driving gear, is arranged in the paper feeding gear. A second mandrel, which is sleeved on the axes of the second driving gear, is arranged on the paging gear. Besides, a supporting structure is articulated with both ends of the first mandrel as well as with the axes of the first driving gear, the driven gear and the second driving gear. Besides, a magnetic drive is arranged on the first mandrel and connected with the supporting structure. The magnetic drive makes the supporting structure contact with the paging gear by magnetism, drives the second driving gear, the driven gear and the paper feeding gear that are connected with the supporting structure to whirl around the first mandrel and makes the surface of the paper feeding gear contact with the surface of one piece of paper.
Description
Technical field
The utility model relates to a kind of paper-fetching mechanism, and particularly relevant for a kind of paper-fetching mechanism that utilizes magnetic force control paper feeding wheel.
Background technology
Common image I/O device, for example duplicator and scanner or the like, its image reading system is that the file original copy is placed on the glass platform, and below glass platform configuration one optical system, in order to read the image of file original copy.In order to accelerate to duplicate or the speed of scanning heap file and the time that shortens file conversion, commonly utilize an automatic paper feeder (AutomaticDocument Feeder ADF) carries the file original copy, reads with the image that carries out the file original copy.This automatic paper feeder can be positioned on the glass plate of an image fetch device, or in be built among the image fetch device, now will be put in order folded file and be positioned in the middle of the feeding box (tray-in) of automatic paper feeder, allow a paper-fetching mechanism of automatic paper feeder inside one by one the file original copy is delivered to the top of glass platform, read with the image that carries out the file original copy.In addition, automatic paper feeder also can be applicable to printer, or other need carry out on the machine of paper paging, and different is that what printer was carried is paper blank, for example the A4 paper.
Please refer to Fig. 1 and Fig. 2 A, it shows the schematic top plan view and the schematic side view of known a kind of paper-fetching mechanism respectively.Paper-fetching mechanism 100 is disposed at the inside of an automatic paper feeder, and it mainly is made of paging wheel 110, a plurality of travelling gear 120,122,124, a paper feeding wheel 130, a supporting construction 140 and a spring 150.Wherein, paper 10 is superimposed and be positioned over the below of paper feeding wheel 130, and supporting construction 140 is connected on the axle center of paging wheel 110, travelling gear 120,122,124 and paper feeding wheel 130, and travelling gear 120,122,124 is meshing with each other also can be by the drive of motor (not shown) or other transmission mechanisms, and related paging wheel 110 and the paper feeding wheel 130 of making is respectively with its axle center rotation.
In addition, please refer to Fig. 1 and Fig. 2 B, wherein Fig. 2 B shows the illustrative view of the paper-fetching mechanism of Fig. 2 A.When paper-fetching mechanism 100 is got the action of paper, paging wheel 110 is coaxial rotations with travelling gear 120, and also have two friction plates (or clutch-plate) 112 on the major axis of paging wheel 110,114 and two friction plates 112 are provided, one spring clutch 116 of 114 positive force, when two friction plates 112,114 when not contacting, supporting construction 140 is in the position of Fig. 2 A, and when two friction plates 112,114 when being contacted by the driving of spring clutch 116, supporting construction 140 is in the position of Fig. 2 B, to get the paper action, wherein supporting construction 140 is connected on the spring clutch 1 16, and supporting construction can relatedly make paper feeding wheel 130 and transmitting gear 122,124 axle center with paging wheel 112 are that pivot is rotated down an angle, make paper feeding wheel 130 press down and contact to the surface of a paper 10, and while extension spring 150, shown in Fig. 2 B.So, paper 10 can be advanced with the frictional force on paper 10 surfaces by paper feeding wheel 130, and the lasting paper 10 that drives, end up to paper 10 is taken turns till 110 by paging, paper feeding wheel 130, travelling gear 122,124, supporting construction 140 and the spring of last paper-fetching mechanism 100 returns to the state of Fig. 2 A again, and stop revolution, or repeat the step of above-mentioned Fig. 2 A and Fig. 2 B, move with the paper of getting that carries out next paper.
It should be noted that, known two friction plates the 112, the 114th are by positive force that spring clutch 116 provided and fluid-tight engagement, when positive force during greater than the kinetic force of friction between two friction plates 112,114, spring clutch 116 will produce rotation, and drive supporting construction 140 to carry out above-mentioned action of getting paper.Yet two friction plates 112,114 make its smooth surface because of long frictional wear easily, and the frictional force between two friction plates 112,114 is diminished.When frictional force diminished, the positive force of paper feeding wheel 130 acquisition paper 10 also can reduce thereupon, and in the course of time, when this positive force during less than the frictional force between paper 10 and the paper feeding wheel 130, paper feeding wheel 130 can't drive paper 10 again and dally.Because friction plate is the loss product, therefore must regularly replace friction plate, so will cause user's puzzlement in the use, and increase after-sale service cost.In addition, when the poundage of paper increases, need bigger positive force to drive paper relatively, but known paper-fetching mechanism is because of adjusting the paper that its positive force can't drive big poundage.
The utility model content
The purpose of this utility model provides a kind of paper-fetching mechanism, the wherein paper feeding wheel action of getting paper by magnetic drives, and can control positive force between paper and the paper feeding wheel by magnetic drives, to drive the paper of big poundage.
For achieving the above object, the utility model proposes a kind of paper-fetching mechanism, be applicable on the automatic paper feeder, the driving gear that this automatic paper feeder has a motor and driven by this motor, this paper-fetching mechanism comprises at least:
One first travelling gear is meshed with this driving gear;
One driven gear is meshed with this first travelling gear;
One second travelling gear is meshed with this driven gear;
One paging wheel has one first mandrel rod, and this first mandrel rod is socketed on the axle center of this first travelling gear;
One paper feeding wheel has one second mandrel rod, and this second mandrel rod is socketed on the axle center of this second travelling gear;
One supporting construction connects the axle center of this driven gear, this first travelling gear and this second travelling gear respectively, and is articulated on this first mandrel rod; And
One magnetic drives, be disposed on this first mandrel rod, this magnetic drives connects this supporting construction, and inhale mutually and drive this supporting construction and contact with this paging wheel by magnetic, and to make this driven gear, this second travelling gear, this paper feeding wheel and this supporting construction be that the center rotates with this first mandrel rod, and the related surface that makes this paper feeding wheel is suitable for contacting the surface to a paper.
Wherein this supporting construction has two side arms and a connecting rod, and an end of this two side arm is articulated in respectively on this second mandrel rod, and the other end of this two side arm connects the two ends of this connecting rod respectively, fixedly connected this magnetic drives of this two side arm, and another of this two side arm connects the axle center of this first travelling gear, this driven gear and this second travelling gear respectively.
Wherein this magnetic drives has a permanent magnet, an electromagnet and a controller, this permanent magnet configuration is on this supporting construction, and this electromagnet is disposed on this paging wheel, and the surface of this permanent magnet contacts with the surface of this electromagnet, and this electromagnet is controlled the magnetic force of inhaling mutually with this permanent magnet by this controller.
Wherein this magnetic drives has a permanent magnet, an electromagnet and a controller, this permanent magnet configuration is on this paging wheel, and this electromagnet is disposed on this supporting construction, and the surface of this permanent magnet contacts with the surface of this electromagnet, and this electromagnet is controlled the magnetic force of inhaling mutually with this permanent magnet by this controller.
Wherein this magnetic drives has a magnetic material and an electromagnet, and this magnetic material is disposed on this supporting construction, and this electromagnet is disposed on this paging wheel, and inhale mutually with the surface contact of this electromagnet on the surface of this magnetic material.
Wherein this magnetic drives has a magnetic material, an electromagnet and a controller, this magnetic material is disposed on this paging wheel, and this electromagnet is disposed on this supporting construction, and the surface of this magnetic material contacts with the surface of this electromagnet, and this electromagnet is controlled the magnetic force of inhaling mutually with this magnetic material by this controller.
The utility model replaces known spring clutch because of adopting magnetic driver, therefore can replace the frictional force between known two friction plates by the magnetic force between control electromagnet and the permanent magnet.So, when the magnetic line of force of electromagnet strengthens, relatively can improve paper feeding wheel and act on positive force on the paper, to drive the bigger paper of poundage.
Description of drawings
For above-mentioned and other purposes, feature and advantage of the present utility model can be become apparent, especially exemplified by a preferred embodiment, and conjunction with figs. is described in detail below, wherein:
Fig. 1 shows the schematic top plan view of known a kind of paper-fetching mechanism.
Fig. 2 A shows the schematic side view of known a kind of paper-fetching mechanism.
Fig. 2 B shows the illustrative view of the paper-fetching mechanism of Fig. 2 A.
Fig. 3 shows that a kind of paper-fetching mechanism of the utility model one preferred embodiment is disposed at the schematic diagram of automatic paper feeder.
Fig. 4 shows the schematic top plan view of a kind of paper-fetching mechanism of the utility model one preferred embodiment.
Fig. 5 A shows the schematic side view of a kind of paper-fetching mechanism of the utility model one preferred embodiment.
Fig. 5 B shows the illustrative view of the paper-fetching mechanism of Fig. 5 A.
The specific embodiment
Please refer to Fig. 3, it shows that a kind of paper-fetching mechanism of the utility model one preferred embodiment is disposed at the schematic diagram of automatic paper feeder.Paper-fetching mechanism 200 is configurable in an automatic paper feeder 202 inside, and automatic paper feeder 202 for example is positioned on the glass platform 206 of an image fetch device 204, or in be built in the image fetch device 204, print or to scan the speed of heap file and the time that shortens file conversion in order to accelerating.The user can be earlier be positioned in the middle of the feeding box 208 of automatic paper feeder 202 putting in order folded file 20 or paper 22, the feeding box of the feeding box of the paper blank among Fig. 3 22 or file 20 original copys for example, allow a paper-fetching mechanism 200 of automatic paper feeder 202 inside one by one file original copy (or paper blank) is delivered to the inside of automatic paper feeder 202, read or the file original copy is printd out with the image that carries out the file original copy.Wherein, image fetch device 204 for example is multifunctional paper feeding machine of printer, scanner, duplicator or multimachine one or the like.In addition, paper-fetching mechanism of the present utility model also need carry out on the machine of paper paging applicable to other.
Please refer to Fig. 4 and Fig. 5 A, it shows the schematic top plan view and the schematic side view of a kind of paper-fetching mechanism of the utility model one preferred embodiment respectively.This paper-fetching mechanism 200 mainly is made of paging wheel 210,1 first travelling gear 220, a driven gear 222, one second travelling gear 224, a paper feeding wheel 230, a supporting construction 240 and a magnetic drives 250.Wherein, first travelling gear 220 engages with a driving gear (not shown) or a belt pulley, and driving gear or belt pulley are to drive with a motor (not shown), are for example controlled the rotating speed of driving gear or belt pulley by stepper motor (stepper motor).In addition, driven gear 222 is meshed with first travelling gear 220, and second travelling gear 224 is meshed with driven gear 222, when the number of teeth of the number of teeth of first travelling gear 220 and second travelling gear 224 was identical, the rotating speed of first travelling gear 220 was identical with the rotating speed of second travelling gear 224.
In addition, paging wheel 210 has one first mandrel rod 212, be socketed on the axle center of first travelling gear 220, and paper feeding wheel 230 has one second mandrel rod 232, is socketed on the axle center of second travelling gear 224.When first travelling gear 220 and second travelling gear rotated 224, related paging wheel 210 and the paper feeding wheel 230 of making was respectively with its axle center rotation, and both rotating speeds also can be identical.Moreover, supporting construction 240 for example is a ㄇ shape bar or a U-shaped bar, it is made of two side arms 242,244 and the connecting rod 246 that connects two side arms 242,244, wherein the end of two side arms 242,244 is articulated in the two ends of first mandrel rod 212 respectively, and two side arms 242,244 are haply perpendicular to the long axis direction of first mandrel rod 212, and make connecting rod 246 be parallel to the long axis direction of first mandrel rod 212 haply.In addition, in Fig. 4, the side arm 244 that is positioned at the left side is fixedly connected on magnetic drives 250, so that supporting construction 240 can be driven by magnetic drives 250, and the side arm 242 that is positioned at the right side is articulated in the axle center of first travelling gear 220, driven gear 222 and second travelling gear 224 respectively, when the driving gear of motor drove first travelling gear 220, driven gear 222 and 224 rotations of second travelling gear, the side arm 242,244 of supporting construction 240 can not rotate thereupon.
Moreover magnetic drives 250 for example has a permanent magnet 252, an electromagnet 254 and a controller (not shown), and wherein permanent magnet 252 is socketed on this first mandrel rod 212 with electromagnet 254, and controls the magnetic force that both inhale mutually by controller.In addition, permanent magnet 252 is connected paging wheel 210 and supporting construction 240 respectively with electromagnet 254, and inhale mutually with the surface contact of electromagnet 254 on the surface of permanent magnet 252.When permanent magnet 252 is inhaled mutually by magnetic with electromagnet 254 and is engaged, supporting construction 240 is engaged to paging wheel 210 by magnetic drives 250, and make second travelling gear 244, driven gear 242 and paper feeding wheel 230 rotations one angle that is connected in supporting construction 240, shown in Fig. 5 B.Certainly, permanent magnet 252 also can utilize other magnetic materials to replace, and the position of permanent magnet 252 is also configurable on supporting construction 240, and evolution to the paging of electromagnet 254 is taken turns on 210, can reach the effect that magnetic force is inhaled mutually equally.
Now please refer to Fig. 4 and Fig. 5 B, and wherein Fig. 5 B shows the illustrative view of the paper-fetching mechanism of Fig. 5 A.Paper 10 is superimposed and be positioned over the below of paper feeding wheel 230, and paper feeding wheel 230 presses down and contacts to the surface of a paper 22, and extension spring 256 simultaneously.In addition, paper feeding wheel 230 is rotated by the drive of second travelling gear 224, and drive paper 22 moves, so paper 22 can be advanced with the frictional force on paper 22 surfaces by paper feeding wheel 230, and the lasting paper 22 that drives, end up to paper 22 is taken turns till 210 by paging, paper feeding wheel 230, second travelling gear 224, driven gear 222, supporting construction 240 and the spring 256 of last paper-fetching mechanism 200 returns to the state of Fig. 5 A again, and stop revolution, or repeat the step of above-mentioned Fig. 5 A and Fig. 5 B, get the paper action with what carry out next paper.
Hence one can see that, and the utility model adopts magnetic driver to replace known spring clutch, therefore can inhale the positive force that is produced mutually with the magnetic force between the permanent magnet by the control electromagnet, replaces the positive force that known spring clutch is provided.Wherein, electromagnet can be adjusted the distribution of the magnetic line of force by the density of the quantity of mode, the coiling of coiling and coiling, and the size of control electric current produces different magnetic force.Therefore, when magnetic force during greater than the kinetic force of friction between permanent magnet and the electromagnet, the magnetic drives that is connected in supporting construction will produce rotation, and drive supporting construction to carry out the above-mentioned paper action of getting.In addition, when the poundage of paper increases, when needing bigger positive force to drive paper relatively, can be by increasing the magnetic force that electromagnet and permanent magnet are inhaled mutually, so that the positive force that paper feeding wheel acts on the paper increases, and then drive the paper of poundage greatly.
In sum, paper-fetching mechanism of the present utility model has following advantage:
1, supporting construction is driven by magnetic drives, and the principle that magnetic drives is inhaled mutually by magnetic drives supporting construction and paper feeding wheel rotation.
2, paper feeding wheel acts on the positive force of paper, can be distributed by the magnetic line of force of the electromagnet of adjusting magnetic drives, so that the paper that paper feeding wheel can the big poundage of transmission.
Though the utility model is described as above with a preferred embodiment; right its is not in order to limit the utility model; anyly have the knack of this technology personage; in not breaking away from spirit and scope of the present utility model; when can doing a little change and retouching, therefore protection domain of the present utility model is when looking being as the criterion that claim defines.
Claims (6)
1, a kind of paper-fetching mechanism is applicable to an automatic paper feeder, it is characterized in that, and the driving gear that this automatic paper feeder has a motor and driven by this motor, this paper-fetching mechanism comprises at least:
One first travelling gear is meshed with this driving gear;
One driven gear is meshed with this first travelling gear;
One second travelling gear is meshed with this driven gear;
One paging wheel has one first mandrel rod, and this first mandrel rod is socketed on the axle center of this first travelling gear;
One paper feeding wheel has one second mandrel rod, and this second mandrel rod is socketed on the axle center of this second travelling gear;
One supporting construction connects the axle center of this driven gear, this first travelling gear and this second travelling gear respectively, and is articulated on this first mandrel rod; And
One magnetic drives, be disposed on this first mandrel rod, this magnetic drives connects this supporting construction, and inhaled mutually and driven this supporting construction and contact with this paging wheel by magnetic, and to make this driven gear, this second travelling gear, this paper feeding wheel and this supporting construction be that the center rotates with this first mandrel rod.
2, paper-fetching mechanism as claimed in claim 1, it is characterized in that, wherein this supporting construction has two side arms and a connecting rod, and an end of this two side arm is articulated in respectively on this second mandrel rod, and the other end of this two side arm connects the two ends of this connecting rod respectively, fixedly connected this magnetic drives of this two side arm, and another of this two side arm connects the axle center of this first travelling gear, this driven gear and this second travelling gear respectively.
3, paper-fetching mechanism as claimed in claim 1, it is characterized in that, wherein this magnetic drives has a permanent magnet, an electromagnet and a controller, this permanent magnet configuration is on this supporting construction, this electromagnet is disposed on this paging wheel, and the surface of this permanent magnet contacts with the surface of this electromagnet, and this electromagnet is controlled the magnetic force of inhaling mutually with this permanent magnet by this controller.
4, paper-fetching mechanism as claimed in claim 1, it is characterized in that, wherein this magnetic drives has a permanent magnet, an electromagnet and a controller, this permanent magnet configuration is on this paging wheel, this electromagnet is disposed on this supporting construction, and the surface of this permanent magnet contacts with the surface of this electromagnet, and this electromagnet is controlled the magnetic force of inhaling mutually with this permanent magnet by this controller.
5, paper-fetching mechanism as claimed in claim 1, it is characterized in that, wherein this magnetic drives has a magnetic material and an electromagnet, this magnetic material is disposed on this supporting construction, this electromagnet is disposed on this paging wheel, and inhale mutually with the surface contact of this electromagnet on the surface of this magnetic material.
6, paper-fetching mechanism as claimed in claim 1, it is characterized in that, wherein this magnetic drives has a magnetic material, an electromagnet and a controller, this magnetic material is disposed on this paging wheel, and this electromagnet is disposed on this supporting construction, and the surface of this magnetic material contacts with the surface of this electromagnet, and this electromagnet is controlled the magnetic force of inhaling mutually with this magnetic material by this controller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03207891 CN2640754Y (en) | 2003-09-10 | 2003-09-10 | Paper taking mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03207891 CN2640754Y (en) | 2003-09-10 | 2003-09-10 | Paper taking mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2640754Y true CN2640754Y (en) | 2004-09-15 |
Family
ID=34288525
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 03207891 Expired - Fee Related CN2640754Y (en) | 2003-09-10 | 2003-09-10 | Paper taking mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2640754Y (en) |
-
2003
- 2003-09-10 CN CN 03207891 patent/CN2640754Y/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: YUDONG TECHNOLOGY CO., LTD. Free format text: FORMER OWNER: LIJIE COMPUTER CO., LTD. Effective date: 20051028 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20051028 Address after: 14 floor, No. 168 North Dunhua Road, Taipei, Taiwan Patentee after: Transpacific IP Pte Ltd. Address before: Hsinchu Science Park, Taiwan Patentee before: Lijie Computer Co., Ltd. |
|
| ASS | Succession or assignment of patent right |
Owner name: YUXI SCIENCE CO., LTD. Free format text: FORMER OWNER: YUDONG TECHNOLOGY CO., LTD. Effective date: 20090821 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20090821 Address after: Delaware, zip code: Patentee after: Transpacific IP Pte Ltd. Address before: Building 14, 168 North Dunhua Road, Taiwan, Taipei Province, China: 000000 Patentee before: Transpacific IP Pte Ltd. |
|
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20040915 Termination date: 20110910 |